Name of Work:Procurement of Ferric Alum used in Pre-Treatment plant of WTP, DTPS HTPS,Kasimpur through open e-tender
Sl. No.
Item Description
1
Ferric Alum Grade-II conforming to IS: 299/1989 (4th Revision or as per latest amendment, if any) having following specification.A-Aluminum Sulphate Octadecahydrate. It shall be in the form of slab of 20kg (Approx.)B-Insoluble.0.5% by mass (max.)C-Soluble iron compound (As Fe):0.7% by mass (max.)D-Water soluble Aluminum compound as Al2O3:15% by mass (min.)E-Lead (as PB):30PPM (max.)F-Arsenic (As AS2O3):6PPM (max.)G-PH of 5% Aq.soln.:2.7 (min.)H-Acidity (as H2SO4) 0.5% by mass (max.)
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